O., . N. .; G. , O. Appendix I to the paper published in transactions of Scientific Journal Physics, 2011 355(16), pages 133 138. Scientific transaction of the National University of Mongolia. Physics, [S. l.], v. 17, n. 362, p. 222–224, 2022. DOI: 10.22353/physics.v17i362.734. Disponível em: https://journal.num.edu.mn/physics/article/view/734. Acesso em: 12 apr. 2025.